Passlet vs Fill Storage Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Passlet
Create and manage digital passes for various memberships, tickets, and boarding passes. Easily store and access your essential passes in one convenient location.
- Create digital passes
- Manage membership cards
- Store ticket information
- Organize boarding passes
- Access passes easily
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다양한 스토어의 멤버십 카드, 기차나 버스 탑승권, 영화관 관람권을 패스로 만들고 이용해보세요. * 패슬릿에서 제공하는 모든 템플릿은 정식 패스가 아니며, 현장에서 사용 시 제약이 발생할 수 있습니다.
Fill Storage Pro
This utility app helps users simulate low storage conditions for testing or securely erase deleted data by filling device storage with dummy files. It offers customizable filling options and easy cleanup.
- Low storage simulation for testing
- Securely overwrite deleted data
- Customizable storage filling (fixed sizes/percentage)
- One-tap cleanup of generated files
- Ideal for developers and testers
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Fill Storage Pro is a must-have tool for iOS developers, testers, and users who need to simulate low storage conditions or securely erase deleted data. Key Features: ■ Low Storage Simulation for Testing ‣ Ideal for developers and testers to check how apps behave when storage is almost full. ■ Secure Data Erasure ‣ Fills storage with dummy files to overwrite deleted data, preventing recovery. ■ Customizable Storage Filling ‣ Fixed Sizes: 100MB, 1GB, 5GB ‣ Percentage-Based: 30%, 60%, 90% ■ Easy Cleanup ‣ All generated files can be deleted instantly with a single tap. Who Can Benefit? ‣ iOS Developers & Testers – Ensure apps function properly in low-storage conditions. ‣ Privacy-Conscious Users – Prevent deleted data from being recovered. ‣ Anyone Needing Storage Control – Experiment with storage management easily. Whether you're testing app performance or securely erasing data, Fill Storage Pro provides a simple and effective solution. Download now and take control of your storage!
Screenshots
Verdict
The clearest difference is ads: Passlet at none against Fill Storage Pro's shown. Passlet also leads on update cadence (weekly vs every 2 months) and monetization model (free vs ad-supported). Fill Storage Pro's advantage is iOS requirement (16.0 vs 18.0). On price, rating, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Passlet against 5.0 for Fill Storage Pro. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
Passlet ships an update weekly, Fill Storage Pro every 2 months. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.
| Parameter | Passlet | Fill Storage Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) | 5.0 (1 ratings) |
| Number of ratings | 4 — better | 1 |
| Update frequency | Weekly — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone | iPhone |
| Requires iOS | 18.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 41 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Hunwoo Kim | Arum Communications Corp. |
Customer experience
Passlet
Fill Storage Pro
In-app purchases
Passlet
No in-app purchases
Fill Storage Pro
No in-app purchases
